Product:Bently Nevada 3500/53-02-00 133396-01 Overspeed Detection I/O
Module
Description
The Bently Nevada™ Electronic Overspeed Detection System for the
3500 Series Machinery Detection System provides a highly reliable,
fast response, redundant tachometer system intended specifically
for use as part of an overspeed protection system. It is designed
to meet the requirements of American
Petroleum Institute (API) Standards 670 and 612 pertaining to
overspeed protection.
3500/53 modules can be combined to form a 2-out-of-2 or a
2-out-of-3 (recommended) voting system.
The Overspeed Detection System requires the use of a 3500 rack with
redundant power supplies.
Specifications
Inputs
Signal:
Each Overspeed Detection module accepts a single transducer signal
from a proximity probe transducer or magnetic pickup. The input
signal range is +10.0 V to -24.0 V. The module internally limits
signals
that exceed this range.
Input Impedance:
20 k W.
Power Consumption:
8.0 watts, typical.
Transducers:
Bently Nevada 3300 8 mm Proximitor 3300 16 mm HTPS, 7200 5 mm, 8
mm, 11 mm, and 14 mm Proximitor; 3300 RAM Proximitor, or Magnetic
pickups.